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Re: Proposal: Merge checkpoints about text foreground and background colors (4.3/4.4)

From: Ian Jacobs <ij@w3.org>
Date: Wed, 10 Jan 2001 21:07:24 -0500
Message-ID: <3A5D155C.AB010B87@w3.org>
To: Harvey Bingham <hbingham@ACM.org>
CC: w3c-wai-ua@w3.org
Harvey Bingham wrote:
> At 2001-01-02 08:49-0600, Jon Gunderson wrote:
> >Ian,
> >Sounds fine to me.
> >
> >Jon
> >
> >... Ian:
> >>I propose the following formulation of the merged
> >>checkpoints (a little easier to read, I think):
> Ian: is it your intent for the user to do it page-by-page if only some
> author-specified choices are objectionable? If so, this seems to place
> an unnecessary aggravation on that user.
> >><NEW>
> >>Allow the user to configure the foreground and background
> >>color of all text, with an option
>    to set the default choices

No, the "default choices" are those of the user agent
without any changes from the user. This checkpoint includes
requirements to override both the UA defaults and author-specified
> >>to override foreground
> >>and background colors specified by the author or user agent
>    omit the following "defaults"

That's why I don't think we can omit the "defaults" that follows.
> >>defaults.
> >>Allow the user to select from among the range of
> >>system colors.
> >></NEW>
> OK, though I believe that "user to configure" should include ability to
> provide the override to replace any author-specified or user-agent default,
> rather than page-by-page, as the checkpoint suggests to me.

Hmm, I was hoping that "all text" suggested "all text all the time"

I propose using the term "global", which is already used in
the checkpoint on global volume control.
> Another nit: "domain" of system colors, from which a choice is made.
> My training suggests that "domain" applies to the definition of available
> values for a function, and that "range" applies to result.
> In color-space, "gamut" may be the word you seek.

I think that "full range" is a common English expression. From

  8 a : the set of values a function may take on
    b : the class of admissible values of a variable

On the other hand, "full domain" shocks me, 
though I am aware of the mathematical usage.

I'm afraid that "gamut" may be too erudite.
MW says for gamut:

 2 : an entire range or series <ran the gamut 
     from praise to contempt>

 - Ian
> To avoid the issue:
> Note: Allow the user to select defaults from among the available system
> colors, preferably chosen from among the "safe 216" choices that are
> generally available: (0 3 6 9 B E) for each of three Red-Green-Blue primaries.
> >>  "Checkpoints for visually rendered text (content accessibility)"
> Good.
> >>--
> >>Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
> >
> >Jon Gunderson, Ph.D., ATP
> Regards/Harvey Bingham

Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
Tel:                         +1 831 457-2842
Cell:                        +1 917 450-8783
Received on Wednesday, 10 January 2001 21:07:27 UTC

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